213.04% is the change from 276 to 864
Calculation steps:
[( 864 - 276 ) ÷ 276] x 100 = 213.04%
Formula
Percentage change = [(864 - 276) / 276] x 100
Subtract the new number by the original number
864 - 276 = 588
588 ÷ 276 = 2.130434782608696
2.130434782608696 x 100 = 213.04%